However, in the real database, some special problems are also not solved.
然而，在真正的数据库中，一些特殊的问题还没有被解决。
This section includes assignments in the textbook, as well as a collection of special problems.
本节包含了课本中的作业，并收集了特殊问题。
The special knowledge structure and the problems in classroom teaching of the subject-pedagogy curriculum.
从教师职业专业化的国际趋势要求重视教育科学、提高教学能力；
The special knowledge structure and the problems in classroom teaching of the subject-pedagogy curriculum.
从教师职业专业化的国际趋势要求重视教育科学、提高教学能力；
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